Unverified85% confidenceDecision RuleTime unknown
单层层板承重需≥5kg才能安全放精装书或绘本，密度板层板厚度应≥15mm，薄于12mm的层板放满32开精装书2年内易下垂弯曲
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85%
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Long-term
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Unverified单层层板承载普通图书（约30cm宽16开书）需满足20kg/延米以上承重，宽度＞80cm的层板必须做中间加支撑或选用18mm以上厚度板材，否则3-5年内会明显下弯变形92% similarUnverified板材厚度决定承重：18mm板材单层跨度≤900mm可放书籍杂物；跨度＞900mm或放置重物需25mm板材或中间加立板，否则3-5年后层板会明显下弯变形91% similarUnverified书籍单层承重需≥15kg/层，普通16mm密度板层板跨度超过90cm易下弯，超过80cm应加中立板或选用25mm厚板/实木层板91% similarUnverified承载精装书/大开本画册的层板，每层荷载应≥30kg且层板厚度≥18mm，否则长期使用会出现明显中央下垂（弯曲变形）91% similarUnverified承载书本/文件的收纳架，隔板单层承重需≥5kg且隔板厚度≥15mm（实木/多层板）或钢板厚度≥0.8mm，否则长期堆放书籍会出现中部下凹变形90% similar
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